394466072 has 192 divisors, whose sum is σ = 1047997440. Its totient is φ = 136684800.

The previous prime is 394466069. The next prime is 394466089. The reversal of 394466072 is 270664493.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1737623 + ... + 1737849.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 2^394466072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394466072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523998720).

394466072 is an abundant number, since it is smaller than the sum of its proper divisors (653531368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394466072 is a wasteful number, since it uses less digits than its factorization.

394466072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 394466072 is about 19861.1699554684. The cubic root of 394466072 is about 733.3926477276.

The spelling of 394466072 in words is "three hundred ninety-four million, four hundred sixty-six thousand, seventy-two".